# SDR 5APR2011122977101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 29, 2011
- Submitted: December 30, 2011
- Operation: General aviation
- Filed by: [Atlas Aircraft Center Inc, repair station 5APR577Y](https://openairdocs.org/faa-repair-station/5APR577Y/atlas-aircraft-center-inc.md) (OpenAirDocs)
- Aircraft: N687AF
- Make and model: Pilats PC1247
- Aircraft serial: 687
- Aircraft time: 4,444 hours, 4,252 cycles
- Engine: Pwa PT6A67B
- Engine time: 4,444 hours, 4,252 cycles
- Propeller: Hartzl HCE4A3D
- System (JASC): [2741 · Stabilizer Position Indicating](https://openairdocs.org/jasc/2741)
- Part: Relay
- Part number: 9742001212
- Condition: Faulty
- Location: Stab Trim
- Part time: 2,298 hours
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/5APR2011122977101

## Discrepancy

CREW REPORTED STAB TRIM FAILURE, RUNAWAY NOSE DOWN ENROUTE TO GMU, THE ACFT LANDED SAFELY.   THE STAB TRIM DOWN RELAY WAS FOUND FAULTY, R & R USING A NEW RELAY IAW WDM 27-40-00.  THE SYS OPERATIONALLY TESTED GOOD IAW AMM 12-A-27-40-00-00A-903A-A.

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